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lacymorrow/js-sum.js

Created September 24, 2018 10:15
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Simple function to sum an array
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js-sum.js
const numbers = [10, 20, 30, 40] // sums to 100
// function for adding two numbers. Easy!
const add = (a, b) =>
a + b
// use reduce to sum our array
const sum = numbers.reduce(add)
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